78172920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:554

約数の個数: 192

約数和(自身を含む): 295326720

約数和(自身を除く): 217153800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 67, 70, 72, 84, 90, 105, 120, 126, 134, 140, 168, 180, 201, 210, 252, 268, 280, 315, 335, 360, 402, 420, 463, 469, 504, 536, 603, 630, 670, 804, 840, 926, 938, 1005, 1206, 1260, 1340, 1389, 1407, 1608, 1852, 1876, 2010, 2315, 2345, 2412, 2520, 2680, 2778, 2814, 3015, 3241, 3704, 3752, 4020, 4167, 4221, 4630, 4690, 4824, 5556, 5628, 6030, 6482, 6945, 7035, 8040, 8334, 8442, 9260, 9380, 9723, 11112, 11256, 12060, 12964, 13890, 14070, 16205, 16668, 16884, 18520, 18760, 19446, 20835, 21105, 24120, 25928, 27780, 28140, 29169, 31021, 32410, 33336, 33768, 38892, 41670, 42210, 48615, 55560, 56280, 58338, 62042, 64820, 77784, 83340, 84420, 93063, 97230, 116676, 124084, 129640, 145845, 155105, 166680, 168840, 186126, 194460, 217147, 233352, 248168, 279189, 291690, 310210, 372252, 388920, 434294, 465315, 558378, 583380, 620420, 651441, 744504, 868588, 930630, 1085735, 1116756, 1166760, 1240840, 1302882, 1395945, 1737176, 1861260, 1954323, 2171470, 2233512, 2605764, 2791890, 3257205, 3722520, 3908646, 4342940, 5211528, 5583780, 6514410, 7817292, 8685880, 9771615, 11167560, 13028820, 15634584, 19543230, 26057640, 39086460, 78172920]

約数ペア:

[(1, 78172920), (2, 39086460), (3, 26057640), (4, 19543230), (5, 15634584), (6, 13028820), (7, 11167560), (8, 9771615), (9, 8685880), (10, 7817292), (12, 6514410), (14, 5583780), (15, 5211528), (18, 4342940), (20, 3908646), (21, 3722520), (24, 3257205), (28, 2791890), (30, 2605764), (35, 2233512), (36, 2171470), (40, 1954323), (42, 1861260), (45, 1737176), (56, 1395945), (60, 1302882), (63, 1240840), (67, 1166760), (70, 1116756), (72, 1085735), (84, 930630), (90, 868588), (105, 744504), (120, 651441), (126, 620420), (134, 583380), (140, 558378), (168, 465315), (180, 434294), (201, 388920), (210, 372252), (252, 310210), (268, 291690), (280, 279189), (315, 248168), (335, 233352), (360, 217147), (402, 194460), (420, 186126), (463, 168840), (469, 166680), (504, 155105), (536, 145845), (603, 129640), (630, 124084), (670, 116676), (804, 97230), (840, 93063), (926, 84420), (938, 83340), (1005, 77784), (1206, 64820), (1260, 62042), (1340, 58338), (1389, 56280), (1407, 55560), (1608, 48615), (1852, 42210), (1876, 41670), (2010, 38892), (2315, 33768), (2345, 33336), (2412, 32410), (2520, 31021), (2680, 29169), (2778, 28140), (2814, 27780), (3015, 25928), (3241, 24120), (3704, 21105), (3752, 20835), (4020, 19446), (4167, 18760), (4221, 18520), (4630, 16884), (4690, 16668), (4824, 16205), (5556, 14070), (5628, 13890), (6030, 12964), (6482, 12060), (6945, 11256), (7035, 11112), (8040, 9723), (8334, 9380), (8442, 9260)]